Question

8. The length of a rectangular field is 5 times its breadth. If the perimeter of the field is 108 m, find its length and breadth​

Answer 1

Answer:

Length = 9 × 5 = 45

Breadth = 9 × 1 = 9

Step-by-step explanation:

Perimeter = 108

108 ÷ 12 = 9

So,

Length = 9 × 5 = 45

Breadth = 9 × 1 = 9

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Answer 2

As per data given in the question,

We have to determine the length and breadth of the field if the length of a rectangular field is 5 times its breadth and The length of a rectangular field is 5 times its breadth.

Let the breadth of the field is $=x\:m$

So, length of the field will be $=5\times x = 5x\:m$

As we know that,

Perimeter of rectangle $=2{l+b)$

So,

$108 = 2(x+5x)\\12x = 108\\x = \frac{108}{12} = 9\:m$

Hence, length of the field will be $=5x =(5\times 9) = 45\:m$

While the breadth of the field will be $=x = 9\:m$